Sound device and sound system
US11743626B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2019 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Jan 19, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/09
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a sound device used while being worn on the listener's ears.The sound device includes a main body installed on a medial surface of an auricle, a holding portion having an annular hollow structure arranged to be coupled to an intertragic notch of an ear near an entrance of an ear canal, a sound guide portion formed as a pipe structure having one end communicating with the main body and another end communicating with the holding portion, an open/close operation unit configured to open or close an earhole, and a control unit configured to control driving of the open/close operation unit. The earhole open/close state is set for each user. The earhole open/close state can be switched depending on the type of application or content to be played, ambient noise level, user behavior, position information, or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.